Finding the Fourth Proportional to 194.64, 292.11 and 125.99
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Solution
The fourth proportional to 194.64, 292.11 and 125.99 is: 189.08
Step by Step Solution
- Step 1: Write the proportion equation
194.64 : 292.11 = 125.99 : x - Step 2: Convert to fraction form
194.64/292.11 = 125.99/x - Step 3: Cross multiply
194.64x = 292.11 × 125.99 - Step 4: Simplify right side
194.64x = 36,802.10 - Step 5: Solve for x
x = 36,802.10/194.64 - Step 6: Final answer
x = 189.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.